Seiko Cal. 3871 - 450

Seiko 3871-450

This Kinetic model from 1984 features a 42mm Two-Tone case. Powered by the 3871 caliber with 35j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e12ef49a6f6f]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1984

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